From e7a988443f6b044830dfc7a921c9b581f9b4f7cc Mon Sep 17 00:00:00 2001
From: Michael Snoyman <michael@snoyman.com>
Date: Tue, 1 Mar 2016 11:59:16 +0200
Subject: [PATCH] Upper bound for #1257

---
 build-constraints.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/build-constraints.yaml b/build-constraints.yaml
index a712b337..897446bc 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2028,6 +2028,9 @@ packages:
 
         # https://github.com/fpco/stackage/issues/1250
         - pretty-compact < 2.0
+
+        # https://github.com/fpco/stackage/issues/1257
+        - megaparsec < 4.4
 # end of packages